Touch and release an object two times to complete the ____ gesture.

Which of the following cryptography attacks is similar to the chosen plaintext attack, except that the attacker can obtain ciphertexts encrypted under two different keys?

A. Ciphertext-only attack B. Known-plaintext attack C. Chosen-key attack D. Related-key attack

Which of the following is false?

a. There are representational errors, when precise decimal dollar amounts and interest rates are stored as doubles. b. There are many currencies worldwide, with different conventions for thousands separators, decimal separators, currency symbols, and more. c. C++11’s long long type supports values in the range –2,147,483,647 to 2,147,483,647 as a minimum. d. C++11's int64_t type supports the exact range –9,223,372,036,854,775,808 to 9,223,372,036,854,775,807.